Route specifies the sequence of operations needed for the step-by-step production of a product using a bill of material. Route contains information on work centers and necessary production resources and tools for carrying out different operations. Planned operation times form the basis for manufacturing lead-times, product costing and capacity planning. Materials, production resources and inspection characteristics can be defined for each operation. The system supports alternate routes to manufacture a product using different machines and lines. Routes are used in work orders, scheduling, capacity planning and costing. The system handles mass change and engineering change orders.